GM Service Manual Online
For 1990-2009 cars only

DTC

Description

B022

Gear Selector Display Error

B0023

Hot Engine Temperature

B0024

Low Oil Pressure

B0025

Low Brake Fluid

B0026

Park Brake Switch Circuit Malfunction

B0027

Lamp Monitor Circuit Malfunction

B0028

Fuel Sender Circuit Malfunction

B0029

Oil Pressure Sender Circuit Malfunction

B0030

Change Oil Now

B0033

SDM to IPC Serial Data Malfunction

B0034

PCM to IPC Serial Data Malfunction

B0035

ABS to IPC Serial Data Malfunction

B0037

HVAC to IPC Serial Data Malfunction

B0041

Low Battery Voltage

B0042

High Battery Voltage

B0051

PASS-Key® II Error